SRTAG2K-D View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

SRTAG2K-D

NFC Forum Type 4 Tag IC with 2-Kbit EEPROM and RF Session digital output

STMicroelectronics 

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RF command sets

SRTAG2K-D

-

INS

PPS1

Name

Table 49. PPS command

INS

PPS0

Byte field

0xDX

0x11

Bit field

b7-b4

Instruction code

DID

PPS1 is present

RFU

Descending data rate

Ascending data rate

2 CRC bytes

b3-b0

0b0000

PPS1

1 byte

b3-b2

b1-b0

CRC

2 bytes

The ascending and descending data rates shall be coded as described in Table 50.

Value

Data rate

Table 50. Ascending and descending data rate coding

0b00

0b01

0b10

106 kbps

RFU

RFU

0b11

RFU

When the SRTAG2K-D is able to change both data rates, it returns the following response.

The data rate of this response is 106 kbps; then, the SRTAG2K-D changes the ascending

and descending data rates.

Table 51 gives the details sof the PPS response.

Name

Byte field

Bit field

Response code

DID field

2 CRC bytes

Table 51. PPS response

INS

-

0xDX

-

b8-b5

b4-b1

PPS0

0x11

38/51

DocID025446 Rev 3

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